refactor(provider): remove Gemini Web cookie-based provider

internal/auth/gemini/gemini-web_token.go

@@ -1,64 +0,0 @@
-// Package gemini provides authentication and token management functionality
-// for Google's Gemini AI services. It handles OAuth2 token storage, serialization,
-// and retrieval for maintaining authenticated sessions with the Gemini API.
-package gemini
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"path/filepath"
-	"strings"
-	"time"
-
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
-	log "github.com/sirupsen/logrus"
-)
-
-// GeminiWebTokenStorage stores cookie information for Google Gemini Web authentication.
-type GeminiWebTokenStorage struct {
-	Secure1PSID   string `json:"secure_1psid"`
-	Secure1PSIDTS string `json:"secure_1psidts"`
-	Type          string `json:"type"`
-	LastRefresh   string `json:"last_refresh,omitempty"`
-	// Label is a stable account identifier used for logging, e.g. "gemini-web-<hash>".
-	// It is derived from the auth file name when not explicitly set.
-	Label string `json:"label,omitempty"`
-}
-
-// SaveTokenToFile serializes the Gemini Web token storage to a JSON file.
-func (ts *GeminiWebTokenStorage) SaveTokenToFile(authFilePath string) error {
-	misc.LogSavingCredentials(authFilePath)
-	ts.Type = "gemini-web"
-	// Auto-derive a stable label from the file name if missing.
-	if ts.Label == "" {
-		base := filepath.Base(authFilePath)
-		if strings.HasSuffix(strings.ToLower(base), ".json") {
-			base = strings.TrimSuffix(base, filepath.Ext(base))
-		}
-		if base != "" {
-			ts.Label = base
-		}
-	}
-	if ts.LastRefresh == "" {
-		ts.LastRefresh = time.Now().Format(time.RFC3339)
-	}
-	if err := os.MkdirAll(filepath.Dir(authFilePath), 0700); err != nil {
-		return fmt.Errorf("failed to create directory: %v", err)
-	}
-
-	f, err := os.Create(authFilePath)
-	if err != nil {
-		return fmt.Errorf("failed to create token file: %w", err)
-	}
-	defer func() {
-		if errClose := f.Close(); errClose != nil {
-			log.Errorf("failed to close file: %v", errClose)
-		}
-	}()
-
-	if err = json.NewEncoder(f).Encode(ts); err != nil {
-		return fmt.Errorf("failed to write token to file: %w", err)
-	}
-	return nil
-}